SKU: CW74291
UPC: 742985064119
MPN: TH-1000-W
The GROCO 1" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut provides a critical connection point for raw water intake or discharge systems on vessels of various sizes. Boaters and anglers understand that the integrity of below-waterline hardware is paramount for safety and system performance. This fitting is engineered to bridge the gap between internal plumbing and external water access, offering a secure passage through the hull for cooling systems, livewells, or bilge discharge. By selecting a high-grade bronze fitting, you ensure that your vessel maintains structural integrity while resisting the harsh corrosive effects of saltwater environments.
Constructed from high-strength C83600 bronze, the GROCO 1" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut is designed for long-term durability and resistance to dezincification. The unique NPSM and NPT combination thread allows for versatile connectivity with various marine valves and plumbing fixtures, ensuring a tight seal regardless of the specific threading requirements of your existing system. This model is UL Listed 647B, meeting rigorous safety standards for marine hardware intended for use below the waterline. The included nut provides a secure mechanical bond to the hull, distributing pressure evenly to prevent leaks or structural stress during high-speed operation or heavy seas.
Experienced mariners looking to upgrade or replace critical hull components will find this fitting ideal for one-inch diameter plumbing lines. Whether you are performing a seasonal review of your hardware or outfitting a new build, the GROCO 1" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut offers the reliability needed for peace of mind on the water. It is compatible with a wide range of marine sealants and can be installed in both fiberglass and wood hulls, provided the proper backing blocks are utilized. For those seeking to buy a professional-grade solution, this hardware ensures that your plumbing specifications meet the demands of modern offshore and inshore boating.
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